CN104139708A - Power control power supply system for electric vehicle - Google Patents
Power control power supply system for electric vehicle Download PDFInfo
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- CN104139708A CN104139708A CN201310171667.3A CN201310171667A CN104139708A CN 104139708 A CN104139708 A CN 104139708A CN 201310171667 A CN201310171667 A CN 201310171667A CN 104139708 A CN104139708 A CN 104139708A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention relates to a power control power supply system for an electric vehicle. The power control power supply system comprises a storage battery, a first power supply circuit and a second power supply circuit, wherein the storage battery supplies power to a single-chip microcomputer minimum system circuit, a DI/DO unit circuit and a CAN (controller area network) communication interface circuit of a VCU (vehicle control unit) module through the first power supply circuit and supplies power to an AI/AO unit circuit of the VCU module, a motor controller module, a relay unit of the VCU module and a contactor set of a high voltage distribution module through the second power supply circuit only when a switch of the electric vehicle is turned off. According to the power control power supply system for the electric vehicle, an ordinary power supply mode and a non-ordinary power supply mode are provided for a PCU (power control unit) by a first power supply circuit and a second power supply circuit, and when the switch of the electric vehicle is turned off, only part of circuits required to work during standby of the VCU module are supplied with power, so that the electric vehicle is awoken, stand-by power consumption is reduced to the greatest extent, the problem about long-time storage of the electric vehicle is solved, the system is very convenient to use by a user, the rigid index of the electric vehicle is improved, and the power control power supply system is green and environment-friendly.
Description
Technical field
The present invention relates to electric vehicle engineering field, especially a kind of used for electric vehicle power control electric power system.
Background technology
New-energy automobile technology proceeds to the commercialization stage by laboratory gradually at present, energy-conservation, miniaturization, economical, the lightweight developing direction having become in the industry, power control system (PCU) is as its core component, and higher to its performance perameter requirement, wherein the index of power consumption is exactly one of them.
Power control system (PCU) is the car load kernel component system of electronlmobil, undertaking the multiple functions such as control, computing, signal conversion processes, trouble diagnosing, communication and driving, it is according to the intention of chaufeur and driving cycle, carry out in real time rational power distribution and coordinate the energy flow between each parts, to improve dynamic property, safety and the high efficiency of car load.At present, the weakness power supply of PCU keeps power supply by 12V storage battery, because of accumulator capacity limited, when battery-driven car key is OFF, the simple electric weight of battery stores that relies on supports stand-by power consumption, and when accumulator electric-quantity exhausts, now other work of electronlmobil cannot normally be carried out.Therefore the design of the light current power supply of current PCU is very easily when electronlmobil stores for a long time, because stand-by power consumption is compared with causing accumulator electric-quantity to exhaust greatly.
Summary of the invention
The technical problem to be solved in the present invention is, for existing electronlmobil PCU light current power supply, for storage battery continued power makes the defect that stand-by power consumption is large, provides a kind of used for electric vehicle power control electric power system.
To achieve these goals, the present invention adopts following technical scheme:
A kind of used for electric vehicle power control electric power system, it comprises PCU module, battery module, for by the voltage transitions of described battery module being the first feed circuit of operating voltage output and for being operating voltage output by the voltage transitions of described battery module when the battery-driven car switch conduction, when battery-driven car switch disconnects, turn-off the second feed circuit of exporting; Described the first feed circuit are connected with the input end of the second feed circuit and the mouth of described storage battery, and the mouth of described the first feed circuit and second circuit is connected respectively PCU module.
Preferably, described PCU module comprises MCU module, VCU module, download module and high voltage power distribution module, described VCU module is connected with MCU module by download module, described download module is connected with the mouth of the first feed circuit, and the mouth of described the second feed circuit connects high voltage power distribution module.
Owing to having adopted such scheme, the present invention is by adopting the first feed circuit and the second feed circuit just usually to power and two kinds of power supply modes of improper power supply to PCU, when disconnecting, battery-driven car switch needs the partial circuit power supply of work during only to the standby of VCU module, and then guarantee waking up of electronlmobil, also farthest reduced stand-by power consumption, solved the long-time problem storing of electronlmobil automobile, have great convenience for the user to use, promote the rigid index of electronlmobil, and environmental protection.
Accompanying drawing explanation
Fig. 1 is according to functional block diagram of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing, embodiments of the invention are elaborated, but the multitude of different ways that the present invention can be defined by the claims and cover is implemented.
As shown in Figure 1, the invention provides a kind of used for electric vehicle power control electric power system, it comprises PCU module 1, battery module 2, for by the voltage transitions of battery module 2 being the first feed circuit 3 of operating voltage output and for being operating voltage output by the voltage transitions of battery module 2 when the battery-driven car switch conduction, when battery-driven car switch disconnects, turn-off the second feed circuit 4 of exporting; Wherein, PCU module 1 comprises MCU module 11, VCU module 12, download module 13 and high voltage power distribution module 14, VCU module 12 is connected with MCU module 11 by download module 13, download module 13 is connected with the mouth of the first feed circuit 3, and the mouth of the second feed circuit 4 connects high voltage power distribution module 14.
The power control system of the present embodiment is divided into two-way by the mouth of battery module 1, the partial circuit of VCU module 12 in 2 pairs of PCU modules 3 of the first feed circuit of leading up to keeps continued power, to ensure the normal charged arousal function of VCU module 12, for example, when battery-driven car standby, still can receive some switch controlling signals as the signal of battery-driven car switch closure by DI/DO element circuit, or by CAN communication interface circuit, receive such as alerting signal, ON shelves signal, charge switch signal etc., to wake the MCU of VCU module 12 up, respond in time.Separately lead up to the second feed circuit 4, when battery-driven car switch is closed to the remainder circuit of VCU module 12 and PCU module 1 in other circuit that need to carry out light current power supply power, and battery-driven car switch cuts off power supply while disconnecting.In the present embodiment, related battery-driven car switch refers to the break-make of the relay that battery-driven car key is controlled, key unlocking and the ON/OFF logic that shuts the corresponding relay of difference.
PCU module 1 also comprises electric machine controller module 15 and DC/DC converter module 16 7.By the electrokinetic cell system 5 with electronlmobil and motor 6, coordinate, realize the function of the present embodiment power control system, electrokinetic cell system 5 is as the power source of battery-driven car, for car load provides electric power.
The main transmission of being responsible for Full Vehicle System dynamic power of high voltage power distribution module 14, electrokinetic cell system 5 gives electric machine controller module 15 power supplies by high voltage power distribution module 14, with drive motor 6 operations.Meanwhile, electrokinetic cell system 5 is 16 power supplies of DC/DC converter module by high voltage power distribution module 14, and DC/DC converter module 16 is changed it and then is storage battery 2 chargings.In addition, electrokinetic cell system 5 is also external system power supply, for example, be a/c system, heater unit system, onboard charger and the power supply of non-onboard charger.High voltage power distribution module 14 can also be monitored insulation fault, open circuit fault, earth fault and the high voltage fault etc. of whole high-pressure system at any time, is the critical function module that guarantees car load equipment and personal safety.For example, in high voltage power distribution module 14, there is insulating monitoring module, for PCU module 1 is carried out to insulating monitoring, produce insulating monitoring signal to VCU module 12.
Electric machine controller module 15 mainly receives the work order from VCU module 12 from CAN bus network, carries out corresponding control algorithm and comes drive motor to travel.
DC/DC converter module 16 is mainly used in high tension supply to be converted to low potential source, as 12V; Give the system parts of car load, as 12V low pressure lead-acid storage battery and other low pressure accessory equipment are powered.Consider the optimum management of energy, require DC/DC converter module 16 to possess the adjustable closed loop control function of voltage.
VCU module 12 is mainly to receive demand information from chaufeur as battery-driven car switch, Das Gaspedal, brake pedal, gear information etc., realizes the control of car load operating mode.VCU module 12 can transmit control signal and to high voltage power distribution module 14, realize the control of distribution, also can transmit control signal and to DC/DC converter module 16, realize the charging control of battery module 2 simultaneously.VCU module 12 can also be controlled high voltage power distribution module 14 by relay group, and then realizes conducting and disconnect control.In addition, the actual condition that VCU module 12 is also fed back according to car load is as the speed of a motor vehicle, braking, motor speed, and the situation of Full Vehicle System is as electrokinetic cell voltage, electric current, temperature and SOC value etc., according to the control policy matching in advance, carry out energy distribution adjusting, be also responsible for trouble diagnosing and the management of car load.
The foregoing is only the preferred embodiments of the present invention, not thereby limit the scope of the claims of the present invention, every equivalent structure or equivalent flow process of utilizing specification sheets of the present invention and accompanying drawing content to do
Conversion, or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (2)
1. a used for electric vehicle power control electric power system, it is characterized in that: it comprises PCU module, battery module, for by the voltage transitions of described battery module being the first feed circuit of operating voltage output and for being operating voltage output by the voltage transitions of described battery module when the battery-driven car switch conduction, when battery-driven car switch disconnects, turn-off the second feed circuit of exporting; Described the first feed circuit are connected with the input end of the second feed circuit and the mouth of described storage battery, and the mouth of described the first feed circuit and second circuit is connected respectively PCU module.
2. according to the used for electric vehicle power control electric power system described in claim 1, it is characterized in that: described PCU module comprises MCU module, VCU module, download module and high voltage power distribution module, described VCU module is connected with MCU module by download module, described download module is connected with the mouth of the first feed circuit, and the mouth of described the second feed circuit connects high voltage power distribution module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310171667.3A CN104139708A (en) | 2013-05-11 | 2013-05-11 | Power control power supply system for electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310171667.3A CN104139708A (en) | 2013-05-11 | 2013-05-11 | Power control power supply system for electric vehicle |
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| CN104139708A true CN104139708A (en) | 2014-11-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310171667.3A Pending CN104139708A (en) | 2013-05-11 | 2013-05-11 | Power control power supply system for electric vehicle |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104477114A (en) * | 2014-12-25 | 2015-04-01 | 东风汽车公司 | High-tension distribution box for electric automobile |
| CN104527445A (en) * | 2014-12-05 | 2015-04-22 | 深圳市汇川技术股份有限公司 | Power supply control system of electric automobile |
| CN104590049A (en) * | 2014-12-31 | 2015-05-06 | 深圳市航盛电子股份有限公司 | Electric automobile power control device and controller |
| CN104691350A (en) * | 2015-02-16 | 2015-06-10 | 北京新能源汽车股份有限公司 | Discharging device for residual power of high-voltage part of electric car |
| CN104691349A (en) * | 2015-02-16 | 2015-06-10 | 北京新能源汽车股份有限公司 | Discharging device for residual power of high-voltage part of electric car |
| CN105365596A (en) * | 2015-11-26 | 2016-03-02 | 上海循道新能源科技有限公司 | Intelligent control system for electric vehicle alternating-current charging pile |
| CN106515456A (en) * | 2016-11-30 | 2017-03-22 | 北京新能源汽车股份有限公司 | High-pressure system integrated control method and device and pure electric automobile |
| CN107659059A (en) * | 2017-10-16 | 2018-02-02 | 浙江零跑科技有限公司 | A kind of motor and automatically controlled integral structure |
| CN112918410A (en) * | 2021-01-29 | 2021-06-08 | 东风商用车有限公司 | Power supply awakening method and device for automobile controller |
| CN114454834A (en) * | 2022-01-13 | 2022-05-10 | 江铃汽车股份有限公司 | Electric automobile power distribution system and electric automobile |
| CN114815675A (en) * | 2021-01-29 | 2022-07-29 | 成都鼎桥通信技术有限公司 | Micro control unit awakening system and method, intelligent cabin and automobile |
-
2013
- 2013-05-11 CN CN201310171667.3A patent/CN104139708A/en active Pending
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104527445A (en) * | 2014-12-05 | 2015-04-22 | 深圳市汇川技术股份有限公司 | Power supply control system of electric automobile |
| CN104477114A (en) * | 2014-12-25 | 2015-04-01 | 东风汽车公司 | High-tension distribution box for electric automobile |
| CN104477114B (en) * | 2014-12-25 | 2017-05-17 | 东风汽车公司 | High-tension distribution box for electric automobile |
| CN104590049A (en) * | 2014-12-31 | 2015-05-06 | 深圳市航盛电子股份有限公司 | Electric automobile power control device and controller |
| CN104691350B (en) * | 2015-02-16 | 2017-01-04 | 北京新能源汽车股份有限公司 | The electric discharge device of electricity more than the high voltage component of electric automobile |
| CN104691349A (en) * | 2015-02-16 | 2015-06-10 | 北京新能源汽车股份有限公司 | Discharging device for residual power of high-voltage part of electric car |
| CN104691350A (en) * | 2015-02-16 | 2015-06-10 | 北京新能源汽车股份有限公司 | Discharging device for residual power of high-voltage part of electric car |
| CN105365596A (en) * | 2015-11-26 | 2016-03-02 | 上海循道新能源科技有限公司 | Intelligent control system for electric vehicle alternating-current charging pile |
| CN105365596B (en) * | 2015-11-26 | 2018-04-24 | 上海循道新能源科技有限公司 | A kind of intelligence control system for electric vehicle alternating-current charging pile |
| CN106515456A (en) * | 2016-11-30 | 2017-03-22 | 北京新能源汽车股份有限公司 | High-pressure system integrated control method and device and pure electric automobile |
| CN107659059A (en) * | 2017-10-16 | 2018-02-02 | 浙江零跑科技有限公司 | A kind of motor and automatically controlled integral structure |
| CN112918410A (en) * | 2021-01-29 | 2021-06-08 | 东风商用车有限公司 | Power supply awakening method and device for automobile controller |
| CN114815675A (en) * | 2021-01-29 | 2022-07-29 | 成都鼎桥通信技术有限公司 | Micro control unit awakening system and method, intelligent cabin and automobile |
| CN114815675B (en) * | 2021-01-29 | 2023-10-20 | 成都鼎桥通信技术有限公司 | Micro control unit awakening system and method, intelligent cabin and automobile |
| CN114454834A (en) * | 2022-01-13 | 2022-05-10 | 江铃汽车股份有限公司 | Electric automobile power distribution system and electric automobile |
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Application publication date: 20141112 |